Edit Profile (opens in new tab) Neufang, Matthias Co-Author Distance Author ID: neufang.matthias Published as: Neufang, Matthias; Neufang, M. Documents Indexed: 52 Publications since 2004, including 2 Additional arXiv Preprints Co-Authors: 25 Co-Authors with 39 Joint Publications 640 Co-Co-Authors all top 5 Co-Authors 13 single-authored 11 Ruan, Zhongjin 9 Hu, Zhiguo 5 Crann, Jason 5 Kalantar, Mehrdad 4 Pachl, Jan K. 3 Filali, Mahmoud 3 Runde, Volker 3 Salmi, Pekka 3 Sangani-Monfared, Mehdi 3 Spronk, Nico 2 Alaghmandan, Mahmood 2 Ferri, Stefano 2 Skalski, Adam G. 2 Steprāns, Juris 1 Amini, Massoud 1 Daws, Matthew 1 Jaworski, Wojciech M. 1 Junge, Marius 1 Lambert, Anselm 1 Losert, Viktor 1 Mazowita, Matthew 1 Mbekhta, Mostafa 1 Medghalchi, Ali Reza 1 Mollakhalili, Ahmad 1 Moslehian, Mohammad Sal all top 5 Serials 9 Journal of Functional Analysis 6 Proceedings of the American Mathematical Society 4 Bulletin of the London Mathematical Society 4 Canadian Journal of Mathematics 3 Journal of Mathematical Analysis and Applications 3 Archiv der Mathematik 3 Indiana University Mathematics Journal 3 Transactions of the American Mathematical Society 2 Advances in Mathematics 2 Proceedings of the London Mathematical Society. Third Series 2 International Journal of Mathematics 1 Studia Mathematica 1 Glasgow Mathematical Journal 1 Mathematische Annalen 1 Mathematische Zeitschrift 1 Journal of Operator Theory 1 IMRN. International Mathematics Research Notices 1 Journal of Physics A: Mathematical and Theoretical 1 Annals of Functional Analysis 1 Journal of Nonlinear and Variational Analysis all top 5 Fields 40 Abstract harmonic analysis (43-XX) 39 Functional analysis (46-XX) 21 Topological groups, Lie groups (22-XX) 13 Operator theory (47-XX) 5 Probability theory and stochastic processes (60-XX) 3 Quantum theory (81-XX) 2 Mathematical logic and foundations (03-XX) 2 Nonassociative rings and algebras (17-XX) 2 Group theory and generalizations (20-XX) 1 History and biography (01-XX) 1 Measure and integration (28-XX) 1 Potential theory (31-XX) 1 Dynamical systems and ergodic theory (37-XX) 1 General topology (54-XX) 1 Global analysis, analysis on manifolds (58-XX) 1 Information and communication theory, circuits (94-XX) Publications by Year all cited Publications top 5 cited Publications Citations contained in zbMATH Open 42 Publications have been cited 317 times in 169 Documents Cited by ▼ Year ▼ A representation theorem for locally compact quantum groups. Zbl 1194.22003 Junge, Marius; Neufang, Matthias; Ruan, Zhong-Jin 30 2009 Completely bounded multipliers over locally compact quantum groups. Zbl 1250.22005 Hu, Zhiguo; Neufang, Matthias; Ruan, Zhong-Jin 22 2011 A unified approach to the topological centre problem for certain Banach algebras arising in abstract harmonic analysis. Zbl 1052.22004 Neufang, Matthias 22 2004 Completely isometric representations of \(M_{cb}A(G)\) and \(UCB(\widehat G)^*\). Zbl 1142.22002 Neufang, Matthias; Ruan, Zhong-Jin; Spronk, Nico 21 2008 Multipliers on a new class of Banach algebras, locally compact quantum groups, and topological centres. Zbl 1192.43002 Hu, Zhiguo; Neufang, Matthias; Ruan, Zhong-Jin 16 2010 Operator space structure and amenability for Figà–Talamanca–Herz algebras. Zbl 1072.47064 Lambert, Anselm; Neufang, Matthias; Runde, Volker 16 2004 On a conjecture by Ghahramani-Lau and related problems concerning topological centres. Zbl 1085.43002 Neufang, Matthias 14 2005 From quantum groups to groups. Zbl 1292.46044 Kalantar, Mehrdad; Neufang, Matthias 13 2013 Decomposability of von Neumann algebras and the Mazur property of higher level. Zbl 1110.22003 Hu, Zhiguo; Neufang, Matthias 12 2006 Amenability and covariant injectivity of locally compact quantum groups. Zbl 1330.22013 Crann, Jason; Neufang, Matthias 11 2016 On topological centre problems and SIN quantum groups. Zbl 1184.46047 Hu, Zhiguo; Neufang, Matthias; Ruan, Zhong-Jin 10 2009 Module maps over locally compact quantum groups. Zbl 1269.22004 Hu, Zhiguo; Neufang, Matthias; Ruan, Zhong-Jin 10 2012 The Choquet-Deny equation in a Banach space. Zbl 1137.22005 Jaworski, Wojciech; Neufang, Matthias 8 2007 On the topological centre problem for weighted convolution algebras and semigroup compactifications. Zbl 1149.22007 Neufang, Matthias 8 2008 Solution to a conjecture by Hofmeier-Wittstock. Zbl 1062.22015 Neufang, Matthias 8 2004 Harmonic operators: the dual perspective. Zbl 1115.31005 Neufang, Matthias; Runde, Volker 7 2007 Proof of the Ghahramani-Lau conjecture. Zbl 1336.43002 Losert, Viktor; Neufang, Matthias; Pachl, Jan; Steprāns, Juris 7 2016 On the topological centre of the algebra \(\mathrm{LUC}({\mathcal G})^*\) for general topological groups. Zbl 1145.43001 Ferri, Stefano; Neufang, Matthias 6 2007 Weak factorizations of operators in the group von Neumann algebras of certain amenable groups and applications. Zbl 1253.22005 Filali, M.; Neufang, M.; Monfared, M. Sangani 6 2011 Column and row operator spaces over \(\mathrm{QSL}_p\)-spaces and their use in abstract harmonic analysis. Zbl 1155.43003 Neufang, Matthias; Runde, Volker 6 2009 Poisson boundaries over locally compact quantum groups. Zbl 1327.46072 Kalantar, Mehrdad; Neufang, Matthias; Ruan, Zhong-Jin 6 2013 Solution to Farhadi-Ghahramani’s multiplier problem. Zbl 1194.43003 Neufang, Matthias 5 2010 On Mazur’s property and property (X). Zbl 1212.46024 Neufang, Matthias 5 2008 Module maps on duals of Banach algebras and topological centre problems. Zbl 1220.46031 Hu, Zhiguo; Neufang, Matthias; Ruan, Zhong-Jin 4 2011 On ideals in the bidual of the Fourier algebra and related algebras. Zbl 1201.43001 Filali, M.; Neufang, M.; Monfared, M. Sangani 4 2010 Distinguishing properties of Arens irregularity. Zbl 1163.43004 Hu, Zhiguo; Neufang, Matthias 4 2009 Contractive idempotents on locally compact quantum groups. Zbl 1305.46061 Neufang, Matthias; Salmi, Pekka; Skalski, Adam; Spronk, Nico 4 2013 Compact elements and operators of quantum groups. Zbl 1370.46048 Amini, Massoud; Kalantar, Mehrdad; Medghalchi, Alireza; Mollakhalili, Ahmad; Neufang, Matthias 4 2017 Realization of quantum group Poisson boundaries as crossed products. Zbl 1316.46048 Kalantar, Mehrdad; Neufang, Matthias; Ruan, Zhong-Jin 4 2014 Quantum channels arising from abstract harmonic analysis. Zbl 1276.81024 Crann, Jason; Neufang, Matthias 4 2013 Amplification of completely bounded operators and Tomiyama’s slice maps. Zbl 1090.46043 Neufang, Matthias 2 2004 Duality, cohomology, and geometry of locally compact quantum groups. Zbl 1310.58003 Kalantar, Mehrdad; Neufang, Matthias 2 2013 Uniform equicontinuity, multiplier topology and continuity of convolution. Zbl 1318.22003 Neufang, Matthias; Pachl, Jan; Salmi, Pekka 2 2015 Fixed points and limits of convolution powers of contractive quantum measures. Zbl 1492.46066 Neufang, Matthias; Salmi, Pekka; Skalski, Adam; Spronk, Nico 2 2021 A non-commutative Fejér theorem for crossed products, the approximation property, and applications. Zbl 1494.46066 Crann, Jason; Neufang, Matthias 2 2022 Convolution of trace class operators over locally compact quantum groups. Zbl 1288.22005 Hu, Zhiguo; Neufang, Matthias; Ruan, Zhong-Jin 2 2013 Geometry of \(C^\ast \)-algebras, and the bidual of their projective tensor product. Zbl 1466.46046 Neufang, Matthias 2 2020 On the structure of ideals and multipliers: a unified approach. Zbl 1453.46046 Mbekhta, Mostafa; Neufang, Matthias 2 2019 Topological invariant means on almost periodic functionals: solution to problems by Dales-Lau-Strauss and Daws. Zbl 1366.43001 Neufang, Matthias 1 2017 Representations of Banach algebras subordinate to topologically introverted spaces. Zbl 1333.46047 Filali, M.; Neufang, M.; Monfared, M. Sangani 1 2015 Mapping ideals of quantum group multipliers. Zbl 1464.46071 Alaghmandan, Mahmood; Crann, Jason; Neufang, Matthias 1 2020 A new duality via the Haagerup tensor product. Zbl 1429.46037 Alaghmandan, Mahmood; Crann, Jason; Neufang, Matthias 1 2019 A non-commutative Fejér theorem for crossed products, the approximation property, and applications. Zbl 1494.46066 Crann, Jason; Neufang, Matthias 2 2022 Fixed points and limits of convolution powers of contractive quantum measures. Zbl 1492.46066 Neufang, Matthias; Salmi, Pekka; Skalski, Adam; Spronk, Nico 2 2021 Geometry of \(C^\ast \)-algebras, and the bidual of their projective tensor product. Zbl 1466.46046 Neufang, Matthias 2 2020 Mapping ideals of quantum group multipliers. Zbl 1464.46071 Alaghmandan, Mahmood; Crann, Jason; Neufang, Matthias 1 2020 On the structure of ideals and multipliers: a unified approach. Zbl 1453.46046 Mbekhta, Mostafa; Neufang, Matthias 2 2019 A new duality via the Haagerup tensor product. Zbl 1429.46037 Alaghmandan, Mahmood; Crann, Jason; Neufang, Matthias 1 2019 Compact elements and operators of quantum groups. Zbl 1370.46048 Amini, Massoud; Kalantar, Mehrdad; Medghalchi, Alireza; Mollakhalili, Ahmad; Neufang, Matthias 4 2017 Topological invariant means on almost periodic functionals: solution to problems by Dales-Lau-Strauss and Daws. Zbl 1366.43001 Neufang, Matthias 1 2017 Amenability and covariant injectivity of locally compact quantum groups. Zbl 1330.22013 Crann, Jason; Neufang, Matthias 11 2016 Proof of the Ghahramani-Lau conjecture. Zbl 1336.43002 Losert, Viktor; Neufang, Matthias; Pachl, Jan; Steprāns, Juris 7 2016 Uniform equicontinuity, multiplier topology and continuity of convolution. Zbl 1318.22003 Neufang, Matthias; Pachl, Jan; Salmi, Pekka 2 2015 Representations of Banach algebras subordinate to topologically introverted spaces. Zbl 1333.46047 Filali, M.; Neufang, M.; Monfared, M. Sangani 1 2015 Realization of quantum group Poisson boundaries as crossed products. Zbl 1316.46048 Kalantar, Mehrdad; Neufang, Matthias; Ruan, Zhong-Jin 4 2014 From quantum groups to groups. Zbl 1292.46044 Kalantar, Mehrdad; Neufang, Matthias 13 2013 Poisson boundaries over locally compact quantum groups. Zbl 1327.46072 Kalantar, Mehrdad; Neufang, Matthias; Ruan, Zhong-Jin 6 2013 Contractive idempotents on locally compact quantum groups. Zbl 1305.46061 Neufang, Matthias; Salmi, Pekka; Skalski, Adam; Spronk, Nico 4 2013 Quantum channels arising from abstract harmonic analysis. Zbl 1276.81024 Crann, Jason; Neufang, Matthias 4 2013 Duality, cohomology, and geometry of locally compact quantum groups. Zbl 1310.58003 Kalantar, Mehrdad; Neufang, Matthias 2 2013 Convolution of trace class operators over locally compact quantum groups. Zbl 1288.22005 Hu, Zhiguo; Neufang, Matthias; Ruan, Zhong-Jin 2 2013 Module maps over locally compact quantum groups. Zbl 1269.22004 Hu, Zhiguo; Neufang, Matthias; Ruan, Zhong-Jin 10 2012 Completely bounded multipliers over locally compact quantum groups. Zbl 1250.22005 Hu, Zhiguo; Neufang, Matthias; Ruan, Zhong-Jin 22 2011 Weak factorizations of operators in the group von Neumann algebras of certain amenable groups and applications. Zbl 1253.22005 Filali, M.; Neufang, M.; Monfared, M. Sangani 6 2011 Module maps on duals of Banach algebras and topological centre problems. Zbl 1220.46031 Hu, Zhiguo; Neufang, Matthias; Ruan, Zhong-Jin 4 2011 Multipliers on a new class of Banach algebras, locally compact quantum groups, and topological centres. Zbl 1192.43002 Hu, Zhiguo; Neufang, Matthias; Ruan, Zhong-Jin 16 2010 Solution to Farhadi-Ghahramani’s multiplier problem. Zbl 1194.43003 Neufang, Matthias 5 2010 On ideals in the bidual of the Fourier algebra and related algebras. Zbl 1201.43001 Filali, M.; Neufang, M.; Monfared, M. Sangani 4 2010 A representation theorem for locally compact quantum groups. Zbl 1194.22003 Junge, Marius; Neufang, Matthias; Ruan, Zhong-Jin 30 2009 On topological centre problems and SIN quantum groups. Zbl 1184.46047 Hu, Zhiguo; Neufang, Matthias; Ruan, Zhong-Jin 10 2009 Column and row operator spaces over \(\mathrm{QSL}_p\)-spaces and their use in abstract harmonic analysis. Zbl 1155.43003 Neufang, Matthias; Runde, Volker 6 2009 Distinguishing properties of Arens irregularity. Zbl 1163.43004 Hu, Zhiguo; Neufang, Matthias 4 2009 Completely isometric representations of \(M_{cb}A(G)\) and \(UCB(\widehat G)^*\). Zbl 1142.22002 Neufang, Matthias; Ruan, Zhong-Jin; Spronk, Nico 21 2008 On the topological centre problem for weighted convolution algebras and semigroup compactifications. Zbl 1149.22007 Neufang, Matthias 8 2008 On Mazur’s property and property (X). Zbl 1212.46024 Neufang, Matthias 5 2008 The Choquet-Deny equation in a Banach space. Zbl 1137.22005 Jaworski, Wojciech; Neufang, Matthias 8 2007 Harmonic operators: the dual perspective. Zbl 1115.31005 Neufang, Matthias; Runde, Volker 7 2007 On the topological centre of the algebra \(\mathrm{LUC}({\mathcal G})^*\) for general topological groups. Zbl 1145.43001 Ferri, Stefano; Neufang, Matthias 6 2007 Decomposability of von Neumann algebras and the Mazur property of higher level. Zbl 1110.22003 Hu, Zhiguo; Neufang, Matthias 12 2006 On a conjecture by Ghahramani-Lau and related problems concerning topological centres. Zbl 1085.43002 Neufang, Matthias 14 2005 A unified approach to the topological centre problem for certain Banach algebras arising in abstract harmonic analysis. Zbl 1052.22004 Neufang, Matthias 22 2004 Operator space structure and amenability for Figà–Talamanca–Herz algebras. Zbl 1072.47064 Lambert, Anselm; Neufang, Matthias; Runde, Volker 16 2004 Solution to a conjecture by Hofmeier-Wittstock. Zbl 1062.22015 Neufang, Matthias 8 2004 Amplification of completely bounded operators and Tomiyama’s slice maps. Zbl 1090.46043 Neufang, Matthias 2 2004 all cited Publications top 5 cited Publications all top 5 Cited by 143 Authors 28 Neufang, Matthias 10 Filali, Mahmoud 9 Kalantar, Mehrdad 8 Crann, Jason 7 Ruan, Zhongjin 7 Salmi, Pekka 7 Todorov, Ivan G. 6 Daws, Matthew 6 Nemati, Mehdi 5 Gardella, Eusebio 5 McKee, Andrew 5 Nasr-Isfahani, Rasoul 5 Pachl, Jan K. 5 Runde, Volker 5 Turowska, Lyudmila B. 4 Barootkoob, Sedigheh 4 Caspers, Martijn 4 Lau, Anthony To-Ming 4 Sangani-Monfared, Mehdi 4 Skalski, Adam G. 4 Sołtan, Piotr Mikołaj 4 Thiel, Hannes 4 Vishki, Hamid Reza Ebrahimi 3 Alaghmandan, Mahmood 3 Anoussis, Michalis 3 Brannan, Michael 3 Chirvăsitu, Alexandru 3 Hu, Zhiguo 3 Junge, Marius 3 Kasprzak, Paweł 3 Katavolos, Aristides 3 Krajczok, Jacek 3 Medghalchi, Ali Reza 3 Samei, Ebrahim 3 Schneider, Friedrich Martin 3 Spronk, Nico 3 Stokke, Ross 2 Amini, Massoud 2 Dales, Harold Garth 2 Ebrahimzadeh Esfahani, Ali 2 Ferri, Stefano 2 Galindo, Jorge 2 Gao, Li 2 Ghanei, Mohammad Reza 2 Ilie, Monica 2 Kucerovsky, Dan Z. 2 Laracuente, Nicholas 2 Lee, Hun Hee 2 Losert, Viktor 2 Maghsoudi, Saeid 2 Mollakhalili, Ahmad 2 Ng, Chi-Keung 2 Pourmahmood-Aghababa, Hasan 2 Pourshahami, Reyhaneh 2 Rajaei Rizi, Maryam 2 Singh, Lav Kumar 2 Strauss, Dona 2 Tanko, Zsolt 2 Thom, Andreas Berthold 2 Viselter, Ami 2 Youn, Sang-Gyun 2 Zhang, Yong 1 Akhtari, Fatemeh 1 Akylzhanov, Rauan Kh. 1 Alaminos, Jerónimo 1 Alaste, Tomi 1 Alinejad, Ahmad 1 An, Guimei 1 Anderson-Sackaney, Benjamin 1 Andreou, Dimitrios 1 Arhancet, Cédric 1 Azar, Kazem Haghnejad 1 Bearden, Alex 1 Bhat, B. V. Rajarama 1 Bhattacharya, Angshuman 1 Bikram, Panchugopal 1 Blecher, David P. 1 Brothier, Arnaud 1 Cely, Liliana 1 Chen, Xiao 1 D’Andrea, Alessandro 1 De, Sandipan 1 Esmailvandi, Reza 1 Extremera, José 1 Farenick, Douglas R. 1 Freslon, Amaury 1 Galego, Elói Medina 1 Ganesan, Priyanga 1 Ghaffari, Ali 1 Ghasemi, Mina 1 González Ortiz, Manuel 1 Gupta, Ved Prakash 1 Harris, Samuel J. 1 Helemskii, Alexander Ya. 1 Jaques, Samuel 1 Javanshiri, Hossein 1 Jaworski, Wojciech M. 1 Józiak, Paweł 1 Kalton, Nigel J. 1 Kamyabi-Gol, Rajab Ali ...and 43 more Authors all top 5 Cited in 57 Serials 25 Journal of Functional Analysis 15 Journal of Mathematical Analysis and Applications 12 International Journal of Mathematics 10 Proceedings of the American Mathematical Society 8 Advances in Mathematics 5 Studia Mathematica 5 Bulletin of the London Mathematical Society 5 Transactions of the American Mathematical Society 4 Communications in Mathematical Physics 4 Journal of Mathematical Physics 4 Rocky Mountain Journal of Mathematics 4 Archiv der Mathematik 4 Indiana University Mathematics Journal 3 Bulletin of the Australian Mathematical Society 3 Canadian Mathematical Bulletin 3 Illinois Journal of Mathematics 3 Mathematische Zeitschrift 3 Semigroup Forum 2 Glasgow Mathematical Journal 2 Journal of the London Mathematical Society. Second Series 2 Mathematische Annalen 2 Memoirs of the American Mathematical Society 2 Topology and its Applications 2 Expositiones Mathematicae 2 The New York Journal of Mathematics 2 The Journal of Fourier Analysis and Applications 2 Sahand Communications in Mathematical Analysis 1 Communications in Algebra 1 Houston Journal of Mathematics 1 Mathematical Proceedings of the Cambridge Philosophical Society 1 Periodica Mathematica Hungarica 1 Annales de l’Institut Fourier 1 Canadian Journal of Mathematics 1 Commentarii Mathematici Helvetici 1 Compositio Mathematica 1 Integral Equations and Operator Theory 1 Journal of the Mathematical Society of Japan 1 Monatshefte für Mathematik 1 Bulletin of the Iranian Mathematical Society 1 Facta Universitatis. Series Mathematics and Informatics 1 Forum Mathematicum 1 Journal de Mathématiques Pures et Appliquées. Neuvième Série 1 Proceedings of the Indian Academy of Sciences. Mathematical Sciences 1 Bulletin des Sciences Mathématiques 1 Izvestiya: Mathematics 1 Documenta Mathematica 1 Abstract and Applied Analysis 1 Positivity 1 Infinite Dimensional Analysis, Quantum Probability and Related Topics 1 Bulletin of the Malaysian Mathematical Sciences Society. Second Series 1 Journal of the Institute of Mathematics of Jussieu 1 Journal of Noncommutative Geometry 1 Operators and Matrices 1 Analysis & PDE 1 Journal of Topology and Analysis 1 Caspian Journal of Mathematical Sciences 1 Bollettino dell’Unione Matematica Italiana all top 5 Cited in 19 Fields 127 Functional analysis (46-XX) 104 Abstract harmonic analysis (43-XX) 51 Topological groups, Lie groups (22-XX) 37 Operator theory (47-XX) 21 Group theory and generalizations (20-XX) 11 Quantum theory (81-XX) 10 Nonassociative rings and algebras (17-XX) 9 Probability theory and stochastic processes (60-XX) 7 General topology (54-XX) 5 Associative rings and algebras (16-XX) 3 Harmonic analysis on Euclidean spaces (42-XX) 3 Global analysis, analysis on manifolds (58-XX) 3 Information and communication theory, circuits (94-XX) 2 Mathematical logic and foundations (03-XX) 2 Dynamical systems and ergodic theory (37-XX) 1 Linear and multilinear algebra; matrix theory (15-XX) 1 Measure and integration (28-XX) 1 Potential theory (31-XX) 1 Game theory, economics, finance, and other social and behavioral sciences (91-XX) Citations by Year